97-02 drls in older fbody

[willismoons]

Just wondering how many people have made their 93-96 fbody have drls like the newer cars do. I know there is a module behind the radio and then some wiring involved. Did some searching and didn't really come up with much.

[popo8]

What is drls?

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[willismoons]

Day time running lights. On the fbody it's the parking lights.

[popo8]

So ur lookin to make ur parking lights come on automatically when u start the car?

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[willismoons]

I was thinking about it. I kind of wanted them to function similarly to the 97 and up cars. I feel as if I know what needs to be done to make it happen. I am surprised what little results turned up in searches. Thought there wasn't anything that people haven't already tried with these cars.

[popo8]

They may have... But maybe never wrote it up. if u do it...def to a write up with pics, and I will sticky it as a HOW TO.

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[willismoons]

Will do.

[Injuneer]

Would it help if I sent you .pdf's of the 98 lighting wiring diagrams for the domestic (with DRL's) and Euro models (no DRL's)?

The diagram does show that there is a DRL Module that controls them. There is a light sensor input as well. The complication seems to be a method to allow the turn signals and the DRL's to co-exist.

[willismoons]

Sure send me the diagram. Thank you. I was thinking removing everything drl related out of a 97+ car and transferring to my car. Module, wiring harness ect

[willismoons]

Also wondering if that same module was used in other vehicles I am sure it was. That would greatly increase availability at my local junk yard.

[GaryDoug]

The DRL module functions this way: When you switch on the ignition, it switches the turn signal filaments to a constant 12v circuit (always on). Then when you operate a turn signal, that signal from the switch is read by the DRL module, which switches that turn filament back to the turn switch/flasher circuit. When the turn signal completes, it goes back to constant 12v. It takes about 1-2 seconds to do each switch.
Also, there is a light sensor in the dash on non-US cars that switches this on during the daytime. On US cars, the sensor is deleted, so it stays on all the time.

[willismoons]

Finally got around to figuring this out. Stumbled across this. http://www.webelectricproducts.com. They make a drls for 96-96 vettes. I ordered the module and installed it in my firebird. And it works great. Drls have factory functioning.